./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal178.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal178.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2652e163c257232e883e98a62c3ffd1b2628780c97657df9931b4647bab84473 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:08:29,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:08:29,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:08:29,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:08:29,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:08:29,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:08:29,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:08:29,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:08:29,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:08:29,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:08:29,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:08:29,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:08:29,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:08:29,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:08:29,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:08:29,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:08:29,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:08:29,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:08:29,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:08:29,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:08:29,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:08:29,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:08:29,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:08:29,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:08:29,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:08:29,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:08:29,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:08:29,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:08:29,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:08:29,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:08:29,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:08:29,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:08:29,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:08:29,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:08:29,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:08:29,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:08:29,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:08:29,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:08:29,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:08:29,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:08:29,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:08:29,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:08:29,210 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:08:29,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:08:29,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:08:29,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:08:29,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:08:29,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:08:29,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:08:29,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:08:29,214 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:08:29,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:08:29,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:08:29,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:08:29,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:08:29,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:08:29,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:08:29,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:08:29,217 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:08:29,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:08:29,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:08:29,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:08:29,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:08:29,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:29,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:08:29,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:08:29,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:08:29,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:08:29,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:08:29,221 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:08:29,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:08:29,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:08:29,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2652e163c257232e883e98a62c3ffd1b2628780c97657df9931b4647bab84473 [2022-11-02 21:08:29,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:08:29,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:08:29,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:08:29,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:08:29,532 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:08:29,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal178.c [2022-11-02 21:08:29,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/data/dcb05b435/cea67e9ef10c45ee80cb2f15f8703d08/FLAG0af51511b [2022-11-02 21:08:30,642 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:08:30,643 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal178.c [2022-11-02 21:08:30,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/data/dcb05b435/cea67e9ef10c45ee80cb2f15f8703d08/FLAG0af51511b [2022-11-02 21:08:31,056 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/data/dcb05b435/cea67e9ef10c45ee80cb2f15f8703d08 [2022-11-02 21:08:31,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:08:31,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:08:31,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:31,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:08:31,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:08:31,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:31,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d3dc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:31, skipping insertion in model container [2022-11-02 21:08:31,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:31" (1/1) ... [2022-11-02 21:08:31,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:08:31,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:08:31,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal178.c[1107,1120] [2022-11-02 21:08:32,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:32,894 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:08:32,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal178.c[1107,1120] [2022-11-02 21:08:33,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:33,666 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:08:33,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33 WrapperNode [2022-11-02 21:08:33,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:33,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:33,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:08:33,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:08:33,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33" (1/1) ... [2022-11-02 21:08:33,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33" (1/1) ... [2022-11-02 21:08:35,303 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13337 [2022-11-02 21:08:35,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:35,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:08:35,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:08:35,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:08:35,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33" (1/1) ... [2022-11-02 21:08:35,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33" (1/1) ... [2022-11-02 21:08:35,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33" (1/1) ... [2022-11-02 21:08:35,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33" (1/1) ... [2022-11-02 21:08:36,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33" (1/1) ... [2022-11-02 21:08:36,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33" (1/1) ... [2022-11-02 21:08:36,542 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33" (1/1) ... [2022-11-02 21:08:36,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33" (1/1) ... [2022-11-02 21:08:36,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:08:36,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:08:36,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:08:36,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:08:36,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33" (1/1) ... [2022-11-02 21:08:36,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:36,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:36,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:36,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:08:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:08:36,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:08:38,611 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:08:38,613 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:10:45,383 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:10:45,403 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:10:45,403 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 21:10:45,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:45 BoogieIcfgContainer [2022-11-02 21:10:45,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:10:45,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:10:45,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:10:45,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:10:45,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:08:31" (1/3) ... [2022-11-02 21:10:45,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42311300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:10:45, skipping insertion in model container [2022-11-02 21:10:45,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:33" (2/3) ... [2022-11-02 21:10:45,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42311300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:10:45, skipping insertion in model container [2022-11-02 21:10:45,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:45" (3/3) ... [2022-11-02 21:10:45,417 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal178.c [2022-11-02 21:10:45,438 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:10:45,438 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:10:45,515 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:10:45,523 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@414ceb41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:10:45,523 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:10:45,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 1187 states, 1185 states have (on average 1.49957805907173) internal successors, (1777), 1186 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:45,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 21:10:45,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:45,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:45,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:10:45,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:45,548 INFO L85 PathProgramCache]: Analyzing trace with hash -332259343, now seen corresponding path program 1 times [2022-11-02 21:10:45,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:45,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665322855] [2022-11-02 21:10:45,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:45,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:10:46,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:46,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665322855] [2022-11-02 21:10:46,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665322855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:46,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:46,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:10:46,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051387537] [2022-11-02 21:10:46,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:46,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:10:46,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:46,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:10:46,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:10:46,853 INFO L87 Difference]: Start difference. First operand has 1187 states, 1185 states have (on average 1.49957805907173) internal successors, (1777), 1186 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:48,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:48,359 INFO L93 Difference]: Finished difference Result 3550 states and 5324 transitions. [2022-11-02 21:10:48,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:10:48,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-02 21:10:48,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:48,391 INFO L225 Difference]: With dead ends: 3550 [2022-11-02 21:10:48,392 INFO L226 Difference]: Without dead ends: 2365 [2022-11-02 21:10:48,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:10:48,407 INFO L413 NwaCegarLoop]: 1740 mSDtfsCounter, 3534 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3534 SdHoareTripleChecker+Valid, 5245 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:48,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3534 Valid, 5245 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-02 21:10:48,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2365 states. [2022-11-02 21:10:48,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2365 to 1185. [2022-11-02 21:10:48,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1184 states have (on average 1.4974662162162162) internal successors, (1773), 1184 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:48,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1773 transitions. [2022-11-02 21:10:48,525 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1773 transitions. Word has length 9 [2022-11-02 21:10:48,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:48,526 INFO L495 AbstractCegarLoop]: Abstraction has 1185 states and 1773 transitions. [2022-11-02 21:10:48,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:48,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1773 transitions. [2022-11-02 21:10:48,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 21:10:48,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:48,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:48,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:10:48,528 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:10:48,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:48,529 INFO L85 PathProgramCache]: Analyzing trace with hash -275001041, now seen corresponding path program 1 times [2022-11-02 21:10:48,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:48,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332892661] [2022-11-02 21:10:48,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:48,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:10:49,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:49,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332892661] [2022-11-02 21:10:49,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332892661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:49,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:49,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:10:49,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390088840] [2022-11-02 21:10:49,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:49,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:10:49,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:49,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:10:49,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:10:49,054 INFO L87 Difference]: Start difference. First operand 1185 states and 1773 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:50,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:50,303 INFO L93 Difference]: Finished difference Result 3548 states and 5312 transitions. [2022-11-02 21:10:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:10:50,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-02 21:10:50,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:50,312 INFO L225 Difference]: With dead ends: 3548 [2022-11-02 21:10:50,313 INFO L226 Difference]: Without dead ends: 2367 [2022-11-02 21:10:50,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:10:50,317 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 3531 mSDsluCounter, 3504 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3531 SdHoareTripleChecker+Valid, 5246 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:50,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3531 Valid, 5246 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 21:10:50,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2022-11-02 21:10:50,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 1187. [2022-11-02 21:10:50,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1186 states have (on average 1.4966273187183812) internal successors, (1775), 1186 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1775 transitions. [2022-11-02 21:10:50,349 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1775 transitions. Word has length 9 [2022-11-02 21:10:50,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:50,349 INFO L495 AbstractCegarLoop]: Abstraction has 1187 states and 1775 transitions. [2022-11-02 21:10:50,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1775 transitions. [2022-11-02 21:10:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 21:10:50,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:50,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:50,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:10:50,351 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:10:50,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:50,352 INFO L85 PathProgramCache]: Analyzing trace with hash -274941459, now seen corresponding path program 1 times [2022-11-02 21:10:50,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:50,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282135843] [2022-11-02 21:10:50,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:50,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:50,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:10:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:51,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:10:51,386 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 21:10:51,387 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:10:51,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:10:51,400 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-02 21:10:51,405 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:10:51,502 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-02 21:10:51,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:10:51 BoogieIcfgContainer [2022-11-02 21:10:51,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:10:51,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:10:51,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:10:51,553 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:10:51,554 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:45" (3/4) ... [2022-11-02 21:10:51,557 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 21:10:51,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:10:51,558 INFO L158 Benchmark]: Toolchain (without parser) took 140494.64ms. Allocated memory was 92.3MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 56.3MB in the beginning and 2.9GB in the end (delta: -2.9GB). Peak memory consumption was 518.4MB. Max. memory is 16.1GB. [2022-11-02 21:10:51,559 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:10:51,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2604.22ms. Allocated memory was 92.3MB in the beginning and 232.8MB in the end (delta: 140.5MB). Free memory was 56.1MB in the beginning and 87.3MB in the end (delta: -31.3MB). Peak memory consumption was 144.2MB. Max. memory is 16.1GB. [2022-11-02 21:10:51,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 1634.19ms. Allocated memory was 232.8MB in the beginning and 465.6MB in the end (delta: 232.8MB). Free memory was 87.3MB in the beginning and 202.7MB in the end (delta: -115.3MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB. [2022-11-02 21:10:51,569 INFO L158 Benchmark]: Boogie Preprocessor took 1554.05ms. Allocated memory was 465.6MB in the beginning and 1.2GB in the end (delta: 729.8MB). Free memory was 202.7MB in the beginning and 863.3MB in the end (delta: -660.6MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. [2022-11-02 21:10:51,570 INFO L158 Benchmark]: RCFGBuilder took 128547.52ms. Allocated memory was 1.2GB in the beginning and 3.5GB in the end (delta: 2.3GB). Free memory was 863.3MB in the beginning and 3.0GB in the end (delta: -2.2GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-11-02 21:10:51,570 INFO L158 Benchmark]: TraceAbstraction took 6141.94ms. Allocated memory is still 3.5GB. Free memory was 3.0GB in the beginning and 2.9GB in the end (delta: 125.4MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. [2022-11-02 21:10:51,570 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 3.5GB. Free memory is still 2.9GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:10:51,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2604.22ms. Allocated memory was 92.3MB in the beginning and 232.8MB in the end (delta: 140.5MB). Free memory was 56.1MB in the beginning and 87.3MB in the end (delta: -31.3MB). Peak memory consumption was 144.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1634.19ms. Allocated memory was 232.8MB in the beginning and 465.6MB in the end (delta: 232.8MB). Free memory was 87.3MB in the beginning and 202.7MB in the end (delta: -115.3MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1554.05ms. Allocated memory was 465.6MB in the beginning and 1.2GB in the end (delta: 729.8MB). Free memory was 202.7MB in the beginning and 863.3MB in the end (delta: -660.6MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. * RCFGBuilder took 128547.52ms. Allocated memory was 1.2GB in the beginning and 3.5GB in the end (delta: 2.3GB). Free memory was 863.3MB in the beginning and 3.0GB in the end (delta: -2.2GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * TraceAbstraction took 6141.94ms. Allocated memory is still 3.5GB. Free memory was 3.0GB in the beginning and 2.9GB in the end (delta: 125.4MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 3.5GB. Free memory is still 2.9GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 528, overapproximation of bitwiseOr at line 526, overapproximation of bitwiseAnd at line 520. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 4); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (4 - 1); [L34] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 8); [L35] const SORT_9 msb_SORT_9 = (SORT_9)1 << (8 - 1); [L37] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L38] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L40] const SORT_29 mask_SORT_29 = (SORT_29)-1 >> (sizeof(SORT_29) * 8 - 3); [L41] const SORT_29 msb_SORT_29 = (SORT_29)1 << (3 - 1); [L43] const SORT_36 mask_SORT_36 = (SORT_36)-1 >> (sizeof(SORT_36) * 8 - 5); [L44] const SORT_36 msb_SORT_36 = (SORT_36)1 << (5 - 1); [L46] const SORT_51 mask_SORT_51 = (SORT_51)-1 >> (sizeof(SORT_51) * 8 - 6); [L47] const SORT_51 msb_SORT_51 = (SORT_51)1 << (6 - 1); [L49] const SORT_60 mask_SORT_60 = (SORT_60)-1 >> (sizeof(SORT_60) * 8 - 7); [L50] const SORT_60 msb_SORT_60 = (SORT_60)1 << (7 - 1); [L52] const SORT_260 mask_SORT_260 = (SORT_260)-1 >> (sizeof(SORT_260) * 8 - 9); [L53] const SORT_260 msb_SORT_260 = (SORT_260)1 << (9 - 1); [L55] const SORT_262 mask_SORT_262 = (SORT_262)-1 >> (sizeof(SORT_262) * 8 - 10); [L56] const SORT_262 msb_SORT_262 = (SORT_262)1 << (10 - 1); [L58] const SORT_264 mask_SORT_264 = (SORT_264)-1 >> (sizeof(SORT_264) * 8 - 11); [L59] const SORT_264 msb_SORT_264 = (SORT_264)1 << (11 - 1); [L61] const SORT_266 mask_SORT_266 = (SORT_266)-1 >> (sizeof(SORT_266) * 8 - 12); [L62] const SORT_266 msb_SORT_266 = (SORT_266)1 << (12 - 1); [L64] const SORT_601 mask_SORT_601 = (SORT_601)-1 >> (sizeof(SORT_601) * 8 - 14); [L65] const SORT_601 msb_SORT_601 = (SORT_601)1 << (14 - 1); [L67] const SORT_603 mask_SORT_603 = (SORT_603)-1 >> (sizeof(SORT_603) * 8 - 16); [L68] const SORT_603 msb_SORT_603 = (SORT_603)1 << (16 - 1); [L70] const SORT_605 mask_SORT_605 = (SORT_605)-1 >> (sizeof(SORT_605) * 8 - 22); [L71] const SORT_605 msb_SORT_605 = (SORT_605)1 << (22 - 1); [L73] const SORT_607 mask_SORT_607 = (SORT_607)-1 >> (sizeof(SORT_607) * 8 - 24); [L74] const SORT_607 msb_SORT_607 = (SORT_607)1 << (24 - 1); [L76] const SORT_609 mask_SORT_609 = (SORT_609)-1 >> (sizeof(SORT_609) * 8 - 30); [L77] const SORT_609 msb_SORT_609 = (SORT_609)1 << (30 - 1); [L79] const SORT_648 mask_SORT_648 = (SORT_648)-1 >> (sizeof(SORT_648) * 8 - 33); [L80] const SORT_648 msb_SORT_648 = (SORT_648)1 << (33 - 1); [L82] const SORT_805 mask_SORT_805 = (SORT_805)-1 >> (sizeof(SORT_805) * 8 - 13); [L83] const SORT_805 msb_SORT_805 = (SORT_805)1 << (13 - 1); [L85] const SORT_808 mask_SORT_808 = (SORT_808)-1 >> (sizeof(SORT_808) * 8 - 15); [L86] const SORT_808 msb_SORT_808 = (SORT_808)1 << (15 - 1); [L88] const SORT_811 mask_SORT_811 = (SORT_811)-1 >> (sizeof(SORT_811) * 8 - 17); [L89] const SORT_811 msb_SORT_811 = (SORT_811)1 << (17 - 1); [L91] const SORT_813 mask_SORT_813 = (SORT_813)-1 >> (sizeof(SORT_813) * 8 - 18); [L92] const SORT_813 msb_SORT_813 = (SORT_813)1 << (18 - 1); [L94] const SORT_904 mask_SORT_904 = (SORT_904)-1 >> (sizeof(SORT_904) * 8 - 19); [L95] const SORT_904 msb_SORT_904 = (SORT_904)1 << (19 - 1); [L97] const SORT_906 mask_SORT_906 = (SORT_906)-1 >> (sizeof(SORT_906) * 8 - 20); [L98] const SORT_906 msb_SORT_906 = (SORT_906)1 << (20 - 1); [L100] const SORT_908 mask_SORT_908 = (SORT_908)-1 >> (sizeof(SORT_908) * 8 - 21); [L101] const SORT_908 msb_SORT_908 = (SORT_908)1 << (21 - 1); [L103] const SORT_1125 mask_SORT_1125 = (SORT_1125)-1 >> (sizeof(SORT_1125) * 8 - 23); [L104] const SORT_1125 msb_SORT_1125 = (SORT_1125)1 << (23 - 1); [L106] const SORT_1273 mask_SORT_1273 = (SORT_1273)-1 >> (sizeof(SORT_1273) * 8 - 26); [L107] const SORT_1273 msb_SORT_1273 = (SORT_1273)1 << (26 - 1); [L109] const SORT_1315 mask_SORT_1315 = (SORT_1315)-1 >> (sizeof(SORT_1315) * 8 - 25); [L110] const SORT_1315 msb_SORT_1315 = (SORT_1315)1 << (25 - 1); [L112] const SORT_1320 mask_SORT_1320 = (SORT_1320)-1 >> (sizeof(SORT_1320) * 8 - 27); [L113] const SORT_1320 msb_SORT_1320 = (SORT_1320)1 << (27 - 1); [L115] const SORT_1323 mask_SORT_1323 = (SORT_1323)-1 >> (sizeof(SORT_1323) * 8 - 28); [L116] const SORT_1323 msb_SORT_1323 = (SORT_1323)1 << (28 - 1); [L118] const SORT_1326 mask_SORT_1326 = (SORT_1326)-1 >> (sizeof(SORT_1326) * 8 - 29); [L119] const SORT_1326 msb_SORT_1326 = (SORT_1326)1 << (29 - 1); [L121] const SORT_1331 mask_SORT_1331 = (SORT_1331)-1 >> (sizeof(SORT_1331) * 8 - 31); [L122] const SORT_1331 msb_SORT_1331 = (SORT_1331)1 << (31 - 1); [L124] const SORT_3039 mask_SORT_3039 = (SORT_3039)-1 >> (sizeof(SORT_3039) * 8 - 34); [L125] const SORT_3039 msb_SORT_3039 = (SORT_3039)1 << (34 - 1); [L127] const SORT_3 var_102 = 0; [L128] const SORT_3 var_118 = 1; [L129] const SORT_1 var_125 = 0; [L130] const SORT_1 var_133 = 3; [L131] const SORT_1 var_135 = 2; [L132] const SORT_1 var_137 = 1; [L133] const SORT_29 var_141 = 1; [L134] const SORT_29 var_144 = 3; [L135] const SORT_29 var_147 = 2; [L136] const SORT_29 var_151 = 5; [L137] const SORT_29 var_154 = 7; [L138] const SORT_29 var_157 = 6; [L139] const SORT_29 var_161 = 4; [L140] const SORT_9 var_187 = 0; [L141] const SORT_36 var_208 = 11; [L142] const SORT_36 var_210 = 10; [L143] const SORT_36 var_212 = 2; [L144] const SORT_36 var_214 = 9; [L145] const SORT_36 var_229 = 21; [L146] const SORT_36 var_231 = 20; [L147] const SORT_36 var_233 = 19; [L148] const SORT_36 var_235 = 18; [L149] const SORT_36 var_237 = 17; [L150] const SORT_36 var_239 = 16; [L151] const SORT_36 var_241 = 15; [L152] const SORT_36 var_243 = 14; [L153] const SORT_36 var_245 = 8; [L154] const SORT_36 var_247 = 6; [L155] const SORT_36 var_249 = 3; [L156] const SORT_36 var_251 = 5; [L157] const SORT_36 var_269 = 4; [L158] const SORT_36 var_271 = 1; [L159] const SORT_36 var_281 = 7; [L160] const SORT_36 var_299 = 13; [L161] const SORT_36 var_307 = 12; [L162] const SORT_36 var_328 = 23; [L163] const SORT_36 var_331 = 22; [L164] const SORT_36 var_340 = 25; [L165] const SORT_36 var_343 = 27; [L166] const SORT_36 var_346 = 26; [L167] const SORT_36 var_350 = 29; [L168] const SORT_36 var_353 = 31; [L169] const SORT_36 var_356 = 30; [L170] const SORT_36 var_360 = 28; [L171] const SORT_36 var_366 = 24; [L172] const SORT_51 var_389 = 0; [L173] const SORT_9 var_465 = 3; [L174] const SORT_29 var_507 = 0; [L175] const SORT_11 var_530 = 0; [L176] const SORT_648 var_649 = 0; [L177] const SORT_9 var_818 = 2; [L178] const SORT_9 var_821 = 1; [L179] const SORT_6 var_1265 = 8; [L180] const SORT_1273 var_1274 = 0; [L181] const SORT_9 var_1360 = 255; [L182] const SORT_51 var_1364 = 1; [L183] const SORT_6 var_1480 = 0; [L184] const SORT_36 var_2392 = 0; [L185] const SORT_6 var_2419 = 1; [L186] const SORT_6 var_2422 = 3; [L187] const SORT_6 var_2425 = 2; [L188] const SORT_6 var_2429 = 5; [L189] const SORT_6 var_2432 = 7; [L190] const SORT_6 var_2435 = 6; [L191] const SORT_6 var_2439 = 4; [L192] const SORT_6 var_2445 = 9; [L193] const SORT_6 var_2448 = 11; [L194] const SORT_6 var_2451 = 10; [L195] const SORT_6 var_2455 = 13; [L196] const SORT_6 var_2458 = 15; [L197] const SORT_6 var_2461 = 14; [L198] const SORT_6 var_2465 = 12; [L199] const SORT_1323 var_2651 = 0; [L200] const SORT_3039 var_3041 = 0; [L201] const SORT_60 var_3064 = 0; [L202] const SORT_266 var_3136 = 0; [L204] SORT_1 input_2; [L205] SORT_3 input_4; [L206] SORT_3 input_5; [L207] SORT_6 input_7; [L208] SORT_3 input_8; [L209] SORT_9 input_10; [L210] SORT_11 input_12; [L211] SORT_1 input_13; [L212] SORT_9 input_14; [L213] SORT_9 input_15; [L214] SORT_9 input_16; [L215] SORT_1 input_17; [L216] SORT_9 input_18; [L217] SORT_9 input_19; [L218] SORT_9 input_20; [L219] SORT_3 input_21; [L220] SORT_3 input_22; [L221] SORT_3 input_23; [L222] SORT_3 input_24; [L223] SORT_3 input_25; [L224] SORT_3 input_26; [L225] SORT_3 input_27; [L226] SORT_1 input_28; [L227] SORT_29 input_30; [L228] SORT_1 input_31; [L229] SORT_3 input_32; [L230] SORT_3 input_33; [L231] SORT_3 input_34; [L232] SORT_3 input_35; [L233] SORT_36 input_37; [L234] SORT_1 input_38; [L235] SORT_9 input_39; [L236] SORT_11 input_40; [L237] SORT_29 input_41; [L238] SORT_9 input_42; [L239] SORT_3 input_43; [L240] SORT_1 input_44; [L241] SORT_36 input_45; [L242] SORT_3 input_46; [L243] SORT_3 input_47; [L244] SORT_1 input_48; [L245] SORT_3 input_49; [L246] SORT_1 input_50; [L247] SORT_51 input_52; [L248] SORT_1 input_53; [L249] SORT_51 input_54; [L250] SORT_1 input_55; [L251] SORT_51 input_56; [L252] SORT_1 input_57; [L253] SORT_51 input_58; [L254] SORT_3 input_59; [L255] SORT_60 input_61; [L256] SORT_3 input_62; [L257] SORT_6 input_63; [L258] SORT_1 input_64; [L259] SORT_3 input_65; [L260] SORT_36 input_66; [L261] SORT_1 input_67; [L262] SORT_3 input_68; [L263] SORT_9 input_69; [L264] SORT_3 input_70; [L265] SORT_3 input_71; [L266] SORT_3 input_72; [L267] SORT_3 input_73; [L268] SORT_3 input_74; [L269] SORT_60 input_75; [L270] SORT_3 input_76; [L271] SORT_9 input_77; [L272] SORT_11 input_78; [L273] SORT_51 input_79; [L274] SORT_1 input_80; [L275] SORT_51 input_81; [L276] SORT_1 input_82; [L277] SORT_51 input_83; [L278] SORT_1 input_84; [L279] SORT_51 input_85; [L280] SORT_1 input_86; [L281] SORT_29 input_87; [L282] SORT_9 input_88; [L283] SORT_1 input_89; [L284] SORT_9 input_90; [L285] SORT_3 input_91; [L286] SORT_6 input_92; [L287] SORT_36 input_93; [L288] SORT_36 input_94; [L289] SORT_3 input_95; [L290] SORT_1 input_96; [L291] SORT_3 input_97; [L292] SORT_3 input_98; [L293] SORT_1 input_99; [L294] SORT_1 input_100; [L295] SORT_1 input_101; [L297] SORT_3 state_103 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L298] SORT_3 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L299] SORT_3 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L300] SORT_3 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L301] SORT_3 state_122 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L302] SORT_1 state_126 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L303] SORT_9 state_188 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L304] SORT_1 state_413 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L305] SORT_9 state_495 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L306] SORT_29 state_508 = __VERIFIER_nondet_uchar() & mask_SORT_29; [L307] SORT_11 state_531 = __VERIFIER_nondet_uint() & mask_SORT_11; [L308] SORT_51 state_576 = __VERIFIER_nondet_uchar() & mask_SORT_51; [L309] SORT_1 state_579 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L310] SORT_51 state_582 = __VERIFIER_nondet_uchar() & mask_SORT_51; [L311] SORT_1 state_585 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L312] SORT_51 state_588 = __VERIFIER_nondet_uchar() & mask_SORT_51; [L313] SORT_1 state_591 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L314] SORT_51 state_594 = __VERIFIER_nondet_uchar() & mask_SORT_51; [L315] SORT_1 state_597 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L316] SORT_9 state_627 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L317] SORT_3 state_645 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L318] SORT_36 state_3048 = __VERIFIER_nondet_uchar() & mask_SORT_36; [L319] SORT_1 state_3052 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L320] SORT_3 state_3061 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L321] SORT_60 state_3065 = __VERIFIER_nondet_uchar() & mask_SORT_60; [L322] SORT_3 state_3078 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L323] SORT_3 state_3081 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L324] SORT_1 state_3092 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L325] SORT_3 state_3096 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L326] SORT_1 state_3099 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L327] SORT_36 state_3111 = __VERIFIER_nondet_uchar() & mask_SORT_36; [L328] SORT_6 state_3114 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L329] SORT_3 state_3120 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L331] SORT_3 init_104_arg_1 = var_102; [L332] state_103 = init_104_arg_1 [L333] SORT_3 init_107_arg_1 = var_102; [L334] state_106 = init_107_arg_1 [L335] SORT_3 init_109_arg_1 = var_102; [L336] state_108 = init_109_arg_1 [L337] SORT_3 init_112_arg_1 = var_102; [L338] state_111 = init_112_arg_1 [L339] SORT_3 init_123_arg_1 = var_102; [L340] state_122 = init_123_arg_1 [L341] SORT_1 init_127_arg_1 = var_125; [L342] state_126 = init_127_arg_1 [L343] SORT_9 init_189_arg_1 = var_187; [L344] state_188 = init_189_arg_1 [L345] SORT_1 init_414_arg_1 = var_125; [L346] state_413 = init_414_arg_1 [L347] SORT_9 init_496_arg_1 = var_187; [L348] state_495 = init_496_arg_1 [L349] SORT_29 init_509_arg_1 = var_507; [L350] state_508 = init_509_arg_1 [L351] SORT_11 init_532_arg_1 = var_530; [L352] state_531 = init_532_arg_1 [L353] SORT_51 init_577_arg_1 = var_389; [L354] state_576 = init_577_arg_1 [L355] SORT_1 init_580_arg_1 = var_125; [L356] state_579 = init_580_arg_1 [L357] SORT_51 init_583_arg_1 = var_389; [L358] state_582 = init_583_arg_1 [L359] SORT_1 init_586_arg_1 = var_125; [L360] state_585 = init_586_arg_1 [L361] SORT_51 init_589_arg_1 = var_389; [L362] state_588 = init_589_arg_1 [L363] SORT_1 init_592_arg_1 = var_125; [L364] state_591 = init_592_arg_1 [L365] SORT_51 init_595_arg_1 = var_389; [L366] state_594 = init_595_arg_1 [L367] SORT_1 init_598_arg_1 = var_125; [L368] state_597 = init_598_arg_1 [L369] SORT_9 init_628_arg_1 = var_187; [L370] state_627 = init_628_arg_1 [L371] SORT_3 init_646_arg_1 = var_102; [L372] state_645 = init_646_arg_1 [L373] SORT_36 init_3049_arg_1 = var_2392; [L374] state_3048 = init_3049_arg_1 [L375] SORT_1 init_3053_arg_1 = var_125; [L376] state_3052 = init_3053_arg_1 [L377] SORT_3 init_3062_arg_1 = var_102; [L378] state_3061 = init_3062_arg_1 [L379] SORT_60 init_3066_arg_1 = var_3064; [L380] state_3065 = init_3066_arg_1 [L381] SORT_3 init_3079_arg_1 = var_102; [L382] state_3078 = init_3079_arg_1 [L383] SORT_3 init_3082_arg_1 = var_102; [L384] state_3081 = init_3082_arg_1 [L385] SORT_1 init_3093_arg_1 = var_125; [L386] state_3092 = init_3093_arg_1 [L387] SORT_3 init_3097_arg_1 = var_102; [L388] state_3096 = init_3097_arg_1 [L389] SORT_1 init_3100_arg_1 = var_125; [L390] state_3099 = init_3100_arg_1 [L391] SORT_36 init_3112_arg_1 = var_2392; [L392] state_3111 = init_3112_arg_1 [L393] SORT_6 init_3115_arg_1 = var_1480; [L394] state_3114 = init_3115_arg_1 [L395] SORT_3 init_3121_arg_1 = var_102; [L396] state_3120 = init_3121_arg_1 VAL [init_104_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_112_arg_1=0, init_123_arg_1=0, init_127_arg_1=0, init_189_arg_1=0, init_3049_arg_1=0, init_3053_arg_1=0, init_3062_arg_1=0, init_3066_arg_1=0, init_3079_arg_1=0, init_3082_arg_1=0, init_3093_arg_1=0, init_3097_arg_1=0, init_3100_arg_1=0, init_3112_arg_1=0, init_3115_arg_1=0, init_3121_arg_1=0, init_414_arg_1=0, init_496_arg_1=0, init_509_arg_1=0, init_532_arg_1=0, init_577_arg_1=0, init_580_arg_1=0, init_583_arg_1=0, init_586_arg_1=0, init_589_arg_1=0, init_592_arg_1=0, init_595_arg_1=0, init_598_arg_1=0, init_628_arg_1=0, init_646_arg_1=0, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1125=4294967295, mask_SORT_1273=4294967295, mask_SORT_1315=4294967295, mask_SORT_1320=4294967295, mask_SORT_1323=4294967295, mask_SORT_1326=4294967295, mask_SORT_1331=4294967295, mask_SORT_260=511, mask_SORT_262=1023, mask_SORT_264=2047, mask_SORT_266=4095, mask_SORT_29=7, mask_SORT_3=1, mask_SORT_3039=18446744073709551615, mask_SORT_36=31, mask_SORT_51=63, mask_SORT_6=15, mask_SORT_60=127, mask_SORT_601=16383, mask_SORT_603=65535, mask_SORT_605=4294967295, mask_SORT_607=4294967295, mask_SORT_609=4294967295, mask_SORT_648=1, mask_SORT_805=8191, mask_SORT_808=32767, mask_SORT_811=4294967295, mask_SORT_813=4294967295, mask_SORT_9=255, mask_SORT_904=4294967295, mask_SORT_906=4294967295, mask_SORT_908=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1125=4194304, msb_SORT_1273=33554432, msb_SORT_1315=16777216, msb_SORT_1320=67108864, msb_SORT_1323=134217728, msb_SORT_1326=268435456, msb_SORT_1331=1073741824, msb_SORT_260=256, msb_SORT_262=512, msb_SORT_264=1024, msb_SORT_266=2048, msb_SORT_29=4, msb_SORT_3=1, msb_SORT_3039=8589934592, msb_SORT_36=16, msb_SORT_51=32, msb_SORT_6=8, msb_SORT_60=64, msb_SORT_601=8192, msb_SORT_603=32768, msb_SORT_605=2097152, msb_SORT_607=8388608, msb_SORT_609=536870912, msb_SORT_648=4294967296, msb_SORT_805=4096, msb_SORT_808=16384, msb_SORT_811=65536, msb_SORT_813=131072, msb_SORT_9=128, msb_SORT_904=262144, msb_SORT_906=524288, msb_SORT_908=1048576, state_103=0, state_106=0, state_108=0, state_111=0, state_122=0, state_126=0, state_188=0, state_3048=0, state_3052=0, state_3061=0, state_3065=0, state_3078=0, state_3081=0, state_3092=0, state_3096=0, state_3099=0, state_3111=0, state_3114=0, state_3120=0, state_413=0, state_495=0, state_508=0, state_531=0, state_576=0, state_579=0, state_582=0, state_585=0, state_588=0, state_591=0, state_594=0, state_597=0, state_627=0, state_645=0, var_102=0, var_118=1, var_125=0, var_1265=8, var_1274=0, var_133=3, var_135=2, var_1360=255, var_1364=1, var_137=1, var_141=1, var_144=3, var_147=2, var_1480=0, var_151=5, var_154=7, var_157=6, var_161=4, var_187=0, var_208=11, var_210=10, var_212=2, var_214=9, var_229=21, var_231=20, var_233=19, var_235=18, var_237=17, var_239=16, var_2392=0, var_241=15, var_2419=1, var_2422=3, var_2425=2, var_2429=5, var_243=14, var_2432=7, var_2435=6, var_2439=4, var_2445=9, var_2448=11, var_245=8, var_2451=10, var_2455=13, var_2458=15, var_2461=14, var_2465=12, var_247=6, var_249=3, var_251=5, var_2651=0, var_269=4, var_271=1, var_281=7, var_299=13, var_3041=0, var_3064=0, var_307=12, var_3136=0, var_328=23, var_331=22, var_340=25, var_343=27, var_346=26, var_350=29, var_353=31, var_356=30, var_360=28, var_366=24, var_389=0, var_465=3, var_507=0, var_530=0, var_649=0, var_818=2, var_821=1] [L399] input_2 = __VERIFIER_nondet_uchar() [L400] input_2 = input_2 & mask_SORT_1 [L401] input_4 = __VERIFIER_nondet_uchar() [L402] input_5 = __VERIFIER_nondet_uchar() [L403] input_5 = input_5 & mask_SORT_3 [L404] input_7 = __VERIFIER_nondet_uchar() [L405] input_7 = input_7 & mask_SORT_6 [L406] input_8 = __VERIFIER_nondet_uchar() [L407] input_8 = input_8 & mask_SORT_3 [L408] input_10 = __VERIFIER_nondet_uchar() [L409] input_12 = __VERIFIER_nondet_uint() [L410] input_13 = __VERIFIER_nondet_uchar() [L411] input_13 = input_13 & mask_SORT_1 [L412] input_14 = __VERIFIER_nondet_uchar() [L413] input_15 = __VERIFIER_nondet_uchar() [L414] input_16 = __VERIFIER_nondet_uchar() [L415] input_17 = __VERIFIER_nondet_uchar() [L416] input_17 = input_17 & mask_SORT_1 [L417] input_18 = __VERIFIER_nondet_uchar() [L418] input_19 = __VERIFIER_nondet_uchar() [L419] input_20 = __VERIFIER_nondet_uchar() [L420] input_21 = __VERIFIER_nondet_uchar() [L421] input_21 = input_21 & mask_SORT_3 [L422] input_22 = __VERIFIER_nondet_uchar() [L423] input_22 = input_22 & mask_SORT_3 [L424] input_23 = __VERIFIER_nondet_uchar() [L425] input_24 = __VERIFIER_nondet_uchar() [L426] input_25 = __VERIFIER_nondet_uchar() [L427] input_26 = __VERIFIER_nondet_uchar() [L428] input_26 = input_26 & mask_SORT_3 [L429] input_27 = __VERIFIER_nondet_uchar() [L430] input_27 = input_27 & mask_SORT_3 [L431] input_28 = __VERIFIER_nondet_uchar() [L432] input_28 = input_28 & mask_SORT_1 [L433] input_30 = __VERIFIER_nondet_uchar() [L434] input_30 = input_30 & mask_SORT_29 [L435] input_31 = __VERIFIER_nondet_uchar() [L436] input_31 = input_31 & mask_SORT_1 [L437] input_32 = __VERIFIER_nondet_uchar() [L438] input_32 = input_32 & mask_SORT_3 [L439] input_33 = __VERIFIER_nondet_uchar() [L440] input_34 = __VERIFIER_nondet_uchar() [L441] input_35 = __VERIFIER_nondet_uchar() [L442] input_35 = input_35 & mask_SORT_3 [L443] input_37 = __VERIFIER_nondet_uchar() [L444] input_37 = input_37 & mask_SORT_36 [L445] input_38 = __VERIFIER_nondet_uchar() [L446] input_39 = __VERIFIER_nondet_uchar() [L447] input_40 = __VERIFIER_nondet_uint() [L448] input_41 = __VERIFIER_nondet_uchar() [L449] input_42 = __VERIFIER_nondet_uchar() [L450] input_43 = __VERIFIER_nondet_uchar() [L451] input_44 = __VERIFIER_nondet_uchar() [L452] input_45 = __VERIFIER_nondet_uchar() [L453] input_46 = __VERIFIER_nondet_uchar() [L454] input_47 = __VERIFIER_nondet_uchar() [L455] input_48 = __VERIFIER_nondet_uchar() [L456] input_49 = __VERIFIER_nondet_uchar() [L457] input_50 = __VERIFIER_nondet_uchar() [L458] input_52 = __VERIFIER_nondet_uchar() [L459] input_53 = __VERIFIER_nondet_uchar() [L460] input_54 = __VERIFIER_nondet_uchar() [L461] input_55 = __VERIFIER_nondet_uchar() [L462] input_56 = __VERIFIER_nondet_uchar() [L463] input_57 = __VERIFIER_nondet_uchar() [L464] input_58 = __VERIFIER_nondet_uchar() [L465] input_59 = __VERIFIER_nondet_uchar() [L466] input_61 = __VERIFIER_nondet_uchar() [L467] input_62 = __VERIFIER_nondet_uchar() [L468] input_63 = __VERIFIER_nondet_uchar() [L469] input_64 = __VERIFIER_nondet_uchar() [L470] input_65 = __VERIFIER_nondet_uchar() [L471] input_66 = __VERIFIER_nondet_uchar() [L472] input_67 = __VERIFIER_nondet_uchar() [L473] input_68 = __VERIFIER_nondet_uchar() [L474] input_69 = __VERIFIER_nondet_uchar() [L475] input_70 = __VERIFIER_nondet_uchar() [L476] input_71 = __VERIFIER_nondet_uchar() [L477] input_72 = __VERIFIER_nondet_uchar() [L478] input_73 = __VERIFIER_nondet_uchar() [L479] input_74 = __VERIFIER_nondet_uchar() [L480] input_75 = __VERIFIER_nondet_uchar() [L481] input_76 = __VERIFIER_nondet_uchar() [L482] input_77 = __VERIFIER_nondet_uchar() [L483] input_78 = __VERIFIER_nondet_uint() [L484] input_79 = __VERIFIER_nondet_uchar() [L485] input_80 = __VERIFIER_nondet_uchar() [L486] input_81 = __VERIFIER_nondet_uchar() [L487] input_82 = __VERIFIER_nondet_uchar() [L488] input_83 = __VERIFIER_nondet_uchar() [L489] input_84 = __VERIFIER_nondet_uchar() [L490] input_85 = __VERIFIER_nondet_uchar() [L491] input_86 = __VERIFIER_nondet_uchar() [L492] input_87 = __VERIFIER_nondet_uchar() [L493] input_88 = __VERIFIER_nondet_uchar() [L494] input_89 = __VERIFIER_nondet_uchar() [L495] input_90 = __VERIFIER_nondet_uchar() [L496] input_91 = __VERIFIER_nondet_uchar() [L497] input_92 = __VERIFIER_nondet_uchar() [L498] input_93 = __VERIFIER_nondet_uchar() [L499] input_94 = __VERIFIER_nondet_uchar() [L500] input_95 = __VERIFIER_nondet_uchar() [L501] input_96 = __VERIFIER_nondet_uchar() [L502] input_97 = __VERIFIER_nondet_uchar() [L503] input_98 = __VERIFIER_nondet_uchar() [L504] input_99 = __VERIFIER_nondet_uchar() [L505] input_100 = __VERIFIER_nondet_uchar() [L506] input_101 = __VERIFIER_nondet_uchar() [L509] SORT_3 var_105_arg_0 = state_103; [L510] SORT_3 var_105 = ~var_105_arg_0; [L511] SORT_3 var_110_arg_0 = state_108; [L512] SORT_3 var_110_arg_1 = state_106; [L513] SORT_3 var_110_arg_2 = input_47; VAL [init_104_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_112_arg_1=0, init_123_arg_1=0, init_127_arg_1=0, init_189_arg_1=0, init_3049_arg_1=0, init_3053_arg_1=0, init_3062_arg_1=0, init_3066_arg_1=0, init_3079_arg_1=0, init_3082_arg_1=0, init_3093_arg_1=0, init_3097_arg_1=0, init_3100_arg_1=0, init_3112_arg_1=0, init_3115_arg_1=0, init_3121_arg_1=0, init_414_arg_1=0, init_496_arg_1=0, init_509_arg_1=0, init_532_arg_1=0, init_577_arg_1=0, init_580_arg_1=0, init_583_arg_1=0, init_586_arg_1=0, init_589_arg_1=0, init_592_arg_1=0, init_595_arg_1=0, init_598_arg_1=0, init_628_arg_1=0, init_646_arg_1=0, input_10=37, input_100=56, input_101=30, input_12=31, input_13=0, input_14=4, input_15=41, input_16=21, input_17=0, input_18=43, input_19=59, input_2=0, input_20=44, input_21=1, input_22=1, input_23=48, input_24=53, input_25=11, input_26=1, input_27=0, input_28=0, input_30=0, input_31=0, input_32=0, input_33=34, input_34=18, input_35=1, input_37=1, input_38=63, input_39=5, input_4=25, input_40=70, input_41=69, input_42=10, input_43=15, input_44=54, input_45=47, input_46=57, input_47=4, input_48=51, input_49=6, input_5=0, input_50=9, input_52=61, input_53=14, input_54=42, input_55=65, input_56=33, input_57=67, input_58=58, input_59=26, input_61=23, input_62=8, input_63=38, input_64=50, input_65=68, input_66=71, input_67=52, input_68=13, input_69=3, input_7=0, input_70=64, input_71=29, input_72=60, input_73=20, input_74=12, input_75=39, input_76=16, input_77=73, input_78=35, input_79=27, input_8=0, input_80=32, input_81=22, input_82=1, input_83=66, input_84=62, input_85=55, input_86=24, input_87=17, input_88=75, input_89=46, input_90=74, input_91=40, input_92=49, input_93=2, input_94=45, input_95=28, input_96=36, input_97=72, input_98=19, input_99=7, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1125=4294967295, mask_SORT_1273=4294967295, mask_SORT_1315=4294967295, mask_SORT_1320=4294967295, mask_SORT_1323=4294967295, mask_SORT_1326=4294967295, mask_SORT_1331=4294967295, mask_SORT_260=511, mask_SORT_262=1023, mask_SORT_264=2047, mask_SORT_266=4095, mask_SORT_29=7, mask_SORT_3=1, mask_SORT_3039=18446744073709551615, mask_SORT_36=31, mask_SORT_51=63, mask_SORT_6=15, mask_SORT_60=127, mask_SORT_601=16383, mask_SORT_603=65535, mask_SORT_605=4294967295, mask_SORT_607=4294967295, mask_SORT_609=4294967295, mask_SORT_648=1, mask_SORT_805=8191, mask_SORT_808=32767, mask_SORT_811=4294967295, mask_SORT_813=4294967295, mask_SORT_9=255, mask_SORT_904=4294967295, mask_SORT_906=4294967295, mask_SORT_908=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1125=4194304, msb_SORT_1273=33554432, msb_SORT_1315=16777216, msb_SORT_1320=67108864, msb_SORT_1323=134217728, msb_SORT_1326=268435456, msb_SORT_1331=1073741824, msb_SORT_260=256, msb_SORT_262=512, msb_SORT_264=1024, msb_SORT_266=2048, msb_SORT_29=4, msb_SORT_3=1, msb_SORT_3039=8589934592, msb_SORT_36=16, msb_SORT_51=32, msb_SORT_6=8, msb_SORT_60=64, msb_SORT_601=8192, msb_SORT_603=32768, msb_SORT_605=2097152, msb_SORT_607=8388608, msb_SORT_609=536870912, msb_SORT_648=4294967296, msb_SORT_805=4096, msb_SORT_808=16384, msb_SORT_811=65536, msb_SORT_813=131072, msb_SORT_9=128, msb_SORT_904=262144, msb_SORT_906=524288, msb_SORT_908=1048576, state_103=0, state_106=0, state_108=0, state_111=0, state_122=0, state_126=0, state_188=0, state_3048=0, state_3052=0, state_3061=0, state_3065=0, state_3078=0, state_3081=0, state_3092=0, state_3096=0, state_3099=0, state_3111=0, state_3114=0, state_3120=0, state_413=0, state_495=0, state_508=0, state_531=0, state_576=0, state_579=0, state_582=0, state_585=0, state_588=0, state_591=0, state_594=0, state_597=0, state_627=0, state_645=0, var_102=0, var_105_arg_0=0, var_110_arg_0=0, var_110_arg_1=0, var_110_arg_2=4, var_118=1, var_125=0, var_1265=8, var_1274=0, var_133=3, var_135=2, var_1360=255, var_1364=1, var_137=1, var_141=1, var_144=3, var_147=2, var_1480=0, var_151=5, var_154=7, var_157=6, var_161=4, var_187=0, var_208=11, var_210=10, var_212=2, var_214=9, var_229=21, var_231=20, var_233=19, var_235=18, var_237=17, var_239=16, var_2392=0, var_241=15, var_2419=1, var_2422=3, var_2425=2, var_2429=5, var_243=14, var_2432=7, var_2435=6, var_2439=4, var_2445=9, var_2448=11, var_245=8, var_2451=10, var_2455=13, var_2458=15, var_2461=14, var_2465=12, var_247=6, var_249=3, var_251=5, var_2651=0, var_269=4, var_271=1, var_281=7, var_299=13, var_3041=0, var_3064=0, var_307=12, var_3136=0, var_328=23, var_331=22, var_340=25, var_343=27, var_346=26, var_350=29, var_353=31, var_356=30, var_360=28, var_366=24, var_389=0, var_465=3, var_507=0, var_530=0, var_649=0, var_818=2, var_821=1] [L514] EXPR var_110_arg_0 ? var_110_arg_1 : var_110_arg_2 VAL [init_104_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_112_arg_1=0, init_123_arg_1=0, init_127_arg_1=0, init_189_arg_1=0, init_3049_arg_1=0, init_3053_arg_1=0, init_3062_arg_1=0, init_3066_arg_1=0, init_3079_arg_1=0, init_3082_arg_1=0, init_3093_arg_1=0, init_3097_arg_1=0, init_3100_arg_1=0, init_3112_arg_1=0, init_3115_arg_1=0, init_3121_arg_1=0, init_414_arg_1=0, init_496_arg_1=0, init_509_arg_1=0, init_532_arg_1=0, init_577_arg_1=0, init_580_arg_1=0, init_583_arg_1=0, init_586_arg_1=0, init_589_arg_1=0, init_592_arg_1=0, init_595_arg_1=0, init_598_arg_1=0, init_628_arg_1=0, init_646_arg_1=0, input_10=37, input_100=56, input_101=30, input_12=31, input_13=0, input_14=4, input_15=41, input_16=21, input_17=0, input_18=43, input_19=59, input_2=0, input_20=44, input_21=1, input_22=1, input_23=48, input_24=53, input_25=11, input_26=1, input_27=0, input_28=0, input_30=0, input_31=0, input_32=0, input_33=34, input_34=18, input_35=1, input_37=1, input_38=63, input_39=5, input_4=25, input_40=70, input_41=69, input_42=10, input_43=15, input_44=54, input_45=47, input_46=57, input_47=4, input_48=51, input_49=6, input_5=0, input_50=9, input_52=61, input_53=14, input_54=42, input_55=65, input_56=33, input_57=67, input_58=58, input_59=26, input_61=23, input_62=8, input_63=38, input_64=50, input_65=68, input_66=71, input_67=52, input_68=13, input_69=3, input_7=0, input_70=64, input_71=29, input_72=60, input_73=20, input_74=12, input_75=39, input_76=16, input_77=73, input_78=35, input_79=27, input_8=0, input_80=32, input_81=22, input_82=1, input_83=66, input_84=62, input_85=55, input_86=24, input_87=17, input_88=75, input_89=46, input_90=74, input_91=40, input_92=49, input_93=2, input_94=45, input_95=28, input_96=36, input_97=72, input_98=19, input_99=7, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1125=4294967295, mask_SORT_1273=4294967295, mask_SORT_1315=4294967295, mask_SORT_1320=4294967295, mask_SORT_1323=4294967295, mask_SORT_1326=4294967295, mask_SORT_1331=4294967295, mask_SORT_260=511, mask_SORT_262=1023, mask_SORT_264=2047, mask_SORT_266=4095, mask_SORT_29=7, mask_SORT_3=1, mask_SORT_3039=18446744073709551615, mask_SORT_36=31, mask_SORT_51=63, mask_SORT_6=15, mask_SORT_60=127, mask_SORT_601=16383, mask_SORT_603=65535, mask_SORT_605=4294967295, mask_SORT_607=4294967295, mask_SORT_609=4294967295, mask_SORT_648=1, mask_SORT_805=8191, mask_SORT_808=32767, mask_SORT_811=4294967295, mask_SORT_813=4294967295, mask_SORT_9=255, mask_SORT_904=4294967295, mask_SORT_906=4294967295, mask_SORT_908=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1125=4194304, msb_SORT_1273=33554432, msb_SORT_1315=16777216, msb_SORT_1320=67108864, msb_SORT_1323=134217728, msb_SORT_1326=268435456, msb_SORT_1331=1073741824, msb_SORT_260=256, msb_SORT_262=512, msb_SORT_264=1024, msb_SORT_266=2048, msb_SORT_29=4, msb_SORT_3=1, msb_SORT_3039=8589934592, msb_SORT_36=16, msb_SORT_51=32, msb_SORT_6=8, msb_SORT_60=64, msb_SORT_601=8192, msb_SORT_603=32768, msb_SORT_605=2097152, msb_SORT_607=8388608, msb_SORT_609=536870912, msb_SORT_648=4294967296, msb_SORT_805=4096, msb_SORT_808=16384, msb_SORT_811=65536, msb_SORT_813=131072, msb_SORT_9=128, msb_SORT_904=262144, msb_SORT_906=524288, msb_SORT_908=1048576, state_103=0, state_106=0, state_108=0, state_111=0, state_122=0, state_126=0, state_188=0, state_3048=0, state_3052=0, state_3061=0, state_3065=0, state_3078=0, state_3081=0, state_3092=0, state_3096=0, state_3099=0, state_3111=0, state_3114=0, state_3120=0, state_413=0, state_495=0, state_508=0, state_531=0, state_576=0, state_579=0, state_582=0, state_585=0, state_588=0, state_591=0, state_594=0, state_597=0, state_627=0, state_645=0, var_102=0, var_105_arg_0=0, var_110_arg_0=0, var_110_arg_0 ? var_110_arg_1 : var_110_arg_2=4, var_110_arg_1=0, var_110_arg_2=4, var_118=1, var_125=0, var_1265=8, var_1274=0, var_133=3, var_135=2, var_1360=255, var_1364=1, var_137=1, var_141=1, var_144=3, var_147=2, var_1480=0, var_151=5, var_154=7, var_157=6, var_161=4, var_187=0, var_208=11, var_210=10, var_212=2, var_214=9, var_229=21, var_231=20, var_233=19, var_235=18, var_237=17, var_239=16, var_2392=0, var_241=15, var_2419=1, var_2422=3, var_2425=2, var_2429=5, var_243=14, var_2432=7, var_2435=6, var_2439=4, var_2445=9, var_2448=11, var_245=8, var_2451=10, var_2455=13, var_2458=15, var_2461=14, var_2465=12, var_247=6, var_249=3, var_251=5, var_2651=0, var_269=4, var_271=1, var_281=7, var_299=13, var_3041=0, var_3064=0, var_307=12, var_3136=0, var_328=23, var_331=22, var_340=25, var_343=27, var_346=26, var_350=29, var_353=31, var_356=30, var_360=28, var_366=24, var_389=0, var_465=3, var_507=0, var_530=0, var_649=0, var_818=2, var_821=1] [L514] SORT_3 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L515] var_110 = var_110 & mask_SORT_3 [L516] SORT_3 var_113_arg_0 = state_108; [L517] SORT_3 var_113_arg_1 = state_111; [L518] SORT_3 var_113_arg_2 = input_47; VAL [init_104_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_112_arg_1=0, init_123_arg_1=0, init_127_arg_1=0, init_189_arg_1=0, init_3049_arg_1=0, init_3053_arg_1=0, init_3062_arg_1=0, init_3066_arg_1=0, init_3079_arg_1=0, init_3082_arg_1=0, init_3093_arg_1=0, init_3097_arg_1=0, init_3100_arg_1=0, init_3112_arg_1=0, init_3115_arg_1=0, init_3121_arg_1=0, init_414_arg_1=0, init_496_arg_1=0, init_509_arg_1=0, init_532_arg_1=0, init_577_arg_1=0, init_580_arg_1=0, init_583_arg_1=0, init_586_arg_1=0, init_589_arg_1=0, init_592_arg_1=0, init_595_arg_1=0, init_598_arg_1=0, init_628_arg_1=0, init_646_arg_1=0, input_10=37, input_100=56, input_101=30, input_12=31, input_13=0, input_14=4, input_15=41, input_16=21, input_17=0, input_18=43, input_19=59, input_2=0, input_20=44, input_21=1, input_22=1, input_23=48, input_24=53, input_25=11, input_26=1, input_27=0, input_28=0, input_30=0, input_31=0, input_32=0, input_33=34, input_34=18, input_35=1, input_37=1, input_38=63, input_39=5, input_4=25, input_40=70, input_41=69, input_42=10, input_43=15, input_44=54, input_45=47, input_46=57, input_47=4, input_48=51, input_49=6, input_5=0, input_50=9, input_52=61, input_53=14, input_54=42, input_55=65, input_56=33, input_57=67, input_58=58, input_59=26, input_61=23, input_62=8, input_63=38, input_64=50, input_65=68, input_66=71, input_67=52, input_68=13, input_69=3, input_7=0, input_70=64, input_71=29, input_72=60, input_73=20, input_74=12, input_75=39, input_76=16, input_77=73, input_78=35, input_79=27, input_8=0, input_80=32, input_81=22, input_82=1, input_83=66, input_84=62, input_85=55, input_86=24, input_87=17, input_88=75, input_89=46, input_90=74, input_91=40, input_92=49, input_93=2, input_94=45, input_95=28, input_96=36, input_97=72, input_98=19, input_99=7, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1125=4294967295, mask_SORT_1273=4294967295, mask_SORT_1315=4294967295, mask_SORT_1320=4294967295, mask_SORT_1323=4294967295, mask_SORT_1326=4294967295, mask_SORT_1331=4294967295, mask_SORT_260=511, mask_SORT_262=1023, mask_SORT_264=2047, mask_SORT_266=4095, mask_SORT_29=7, mask_SORT_3=1, mask_SORT_3039=18446744073709551615, mask_SORT_36=31, mask_SORT_51=63, mask_SORT_6=15, mask_SORT_60=127, mask_SORT_601=16383, mask_SORT_603=65535, mask_SORT_605=4294967295, mask_SORT_607=4294967295, mask_SORT_609=4294967295, mask_SORT_648=1, mask_SORT_805=8191, mask_SORT_808=32767, mask_SORT_811=4294967295, mask_SORT_813=4294967295, mask_SORT_9=255, mask_SORT_904=4294967295, mask_SORT_906=4294967295, mask_SORT_908=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1125=4194304, msb_SORT_1273=33554432, msb_SORT_1315=16777216, msb_SORT_1320=67108864, msb_SORT_1323=134217728, msb_SORT_1326=268435456, msb_SORT_1331=1073741824, msb_SORT_260=256, msb_SORT_262=512, msb_SORT_264=1024, msb_SORT_266=2048, msb_SORT_29=4, msb_SORT_3=1, msb_SORT_3039=8589934592, msb_SORT_36=16, msb_SORT_51=32, msb_SORT_6=8, msb_SORT_60=64, msb_SORT_601=8192, msb_SORT_603=32768, msb_SORT_605=2097152, msb_SORT_607=8388608, msb_SORT_609=536870912, msb_SORT_648=4294967296, msb_SORT_805=4096, msb_SORT_808=16384, msb_SORT_811=65536, msb_SORT_813=131072, msb_SORT_9=128, msb_SORT_904=262144, msb_SORT_906=524288, msb_SORT_908=1048576, state_103=0, state_106=0, state_108=0, state_111=0, state_122=0, state_126=0, state_188=0, state_3048=0, state_3052=0, state_3061=0, state_3065=0, state_3078=0, state_3081=0, state_3092=0, state_3096=0, state_3099=0, state_3111=0, state_3114=0, state_3120=0, state_413=0, state_495=0, state_508=0, state_531=0, state_576=0, state_579=0, state_582=0, state_585=0, state_588=0, state_591=0, state_594=0, state_597=0, state_627=0, state_645=0, var_102=0, var_105_arg_0=0, var_110=0, var_110_arg_0=0, var_110_arg_1=0, var_110_arg_2=4, var_113_arg_0=0, var_113_arg_1=0, var_113_arg_2=4, var_118=1, var_125=0, var_1265=8, var_1274=0, var_133=3, var_135=2, var_1360=255, var_1364=1, var_137=1, var_141=1, var_144=3, var_147=2, var_1480=0, var_151=5, var_154=7, var_157=6, var_161=4, var_187=0, var_208=11, var_210=10, var_212=2, var_214=9, var_229=21, var_231=20, var_233=19, var_235=18, var_237=17, var_239=16, var_2392=0, var_241=15, var_2419=1, var_2422=3, var_2425=2, var_2429=5, var_243=14, var_2432=7, var_2435=6, var_2439=4, var_2445=9, var_2448=11, var_245=8, var_2451=10, var_2455=13, var_2458=15, var_2461=14, var_2465=12, var_247=6, var_249=3, var_251=5, var_2651=0, var_269=4, var_271=1, var_281=7, var_299=13, var_3041=0, var_3064=0, var_307=12, var_3136=0, var_328=23, var_331=22, var_340=25, var_343=27, var_346=26, var_350=29, var_353=31, var_356=30, var_360=28, var_366=24, var_389=0, var_465=3, var_507=0, var_530=0, var_649=0, var_818=2, var_821=1] [L519] EXPR var_113_arg_0 ? var_113_arg_1 : var_113_arg_2 VAL [init_104_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_112_arg_1=0, init_123_arg_1=0, init_127_arg_1=0, init_189_arg_1=0, init_3049_arg_1=0, init_3053_arg_1=0, init_3062_arg_1=0, init_3066_arg_1=0, init_3079_arg_1=0, init_3082_arg_1=0, init_3093_arg_1=0, init_3097_arg_1=0, init_3100_arg_1=0, init_3112_arg_1=0, init_3115_arg_1=0, init_3121_arg_1=0, init_414_arg_1=0, init_496_arg_1=0, init_509_arg_1=0, init_532_arg_1=0, init_577_arg_1=0, init_580_arg_1=0, init_583_arg_1=0, init_586_arg_1=0, init_589_arg_1=0, init_592_arg_1=0, init_595_arg_1=0, init_598_arg_1=0, init_628_arg_1=0, init_646_arg_1=0, input_10=37, input_100=56, input_101=30, input_12=31, input_13=0, input_14=4, input_15=41, input_16=21, input_17=0, input_18=43, input_19=59, input_2=0, input_20=44, input_21=1, input_22=1, input_23=48, input_24=53, input_25=11, input_26=1, input_27=0, input_28=0, input_30=0, input_31=0, input_32=0, input_33=34, input_34=18, input_35=1, input_37=1, input_38=63, input_39=5, input_4=25, input_40=70, input_41=69, input_42=10, input_43=15, input_44=54, input_45=47, input_46=57, input_47=4, input_48=51, input_49=6, input_5=0, input_50=9, input_52=61, input_53=14, input_54=42, input_55=65, input_56=33, input_57=67, input_58=58, input_59=26, input_61=23, input_62=8, input_63=38, input_64=50, input_65=68, input_66=71, input_67=52, input_68=13, input_69=3, input_7=0, input_70=64, input_71=29, input_72=60, input_73=20, input_74=12, input_75=39, input_76=16, input_77=73, input_78=35, input_79=27, input_8=0, input_80=32, input_81=22, input_82=1, input_83=66, input_84=62, input_85=55, input_86=24, input_87=17, input_88=75, input_89=46, input_90=74, input_91=40, input_92=49, input_93=2, input_94=45, input_95=28, input_96=36, input_97=72, input_98=19, input_99=7, mask_SORT_1=3, mask_SORT_11=4294967295, mask_SORT_1125=4294967295, mask_SORT_1273=4294967295, mask_SORT_1315=4294967295, mask_SORT_1320=4294967295, mask_SORT_1323=4294967295, mask_SORT_1326=4294967295, mask_SORT_1331=4294967295, mask_SORT_260=511, mask_SORT_262=1023, mask_SORT_264=2047, mask_SORT_266=4095, mask_SORT_29=7, mask_SORT_3=1, mask_SORT_3039=18446744073709551615, mask_SORT_36=31, mask_SORT_51=63, mask_SORT_6=15, mask_SORT_60=127, mask_SORT_601=16383, mask_SORT_603=65535, mask_SORT_605=4294967295, mask_SORT_607=4294967295, mask_SORT_609=4294967295, mask_SORT_648=1, mask_SORT_805=8191, mask_SORT_808=32767, mask_SORT_811=4294967295, mask_SORT_813=4294967295, mask_SORT_9=255, mask_SORT_904=4294967295, mask_SORT_906=4294967295, mask_SORT_908=4294967295, msb_SORT_1=2, msb_SORT_11=2147483648, msb_SORT_1125=4194304, msb_SORT_1273=33554432, msb_SORT_1315=16777216, msb_SORT_1320=67108864, msb_SORT_1323=134217728, msb_SORT_1326=268435456, msb_SORT_1331=1073741824, msb_SORT_260=256, msb_SORT_262=512, msb_SORT_264=1024, msb_SORT_266=2048, msb_SORT_29=4, msb_SORT_3=1, msb_SORT_3039=8589934592, msb_SORT_36=16, msb_SORT_51=32, msb_SORT_6=8, msb_SORT_60=64, msb_SORT_601=8192, msb_SORT_603=32768, msb_SORT_605=2097152, msb_SORT_607=8388608, msb_SORT_609=536870912, msb_SORT_648=4294967296, msb_SORT_805=4096, msb_SORT_808=16384, msb_SORT_811=65536, msb_SORT_813=131072, msb_SORT_9=128, msb_SORT_904=262144, msb_SORT_906=524288, msb_SORT_908=1048576, state_103=0, state_106=0, state_108=0, state_111=0, state_122=0, state_126=0, state_188=0, state_3048=0, state_3052=0, state_3061=0, state_3065=0, state_3078=0, state_3081=0, state_3092=0, state_3096=0, state_3099=0, state_3111=0, state_3114=0, state_3120=0, state_413=0, state_495=0, state_508=0, state_531=0, state_576=0, state_579=0, state_582=0, state_585=0, state_588=0, state_591=0, state_594=0, state_597=0, state_627=0, state_645=0, var_102=0, var_105_arg_0=0, var_110=0, var_110_arg_0=0, var_110_arg_1=0, var_110_arg_2=4, var_113_arg_0=0, var_113_arg_0 ? var_113_arg_1 : var_113_arg_2=4, var_113_arg_1=0, var_113_arg_2=4, var_118=1, var_125=0, var_1265=8, var_1274=0, var_133=3, var_135=2, var_1360=255, var_1364=1, var_137=1, var_141=1, var_144=3, var_147=2, var_1480=0, var_151=5, var_154=7, var_157=6, var_161=4, var_187=0, var_208=11, var_210=10, var_212=2, var_214=9, var_229=21, var_231=20, var_233=19, var_235=18, var_237=17, var_239=16, var_2392=0, var_241=15, var_2419=1, var_2422=3, var_2425=2, var_2429=5, var_243=14, var_2432=7, var_2435=6, var_2439=4, var_2445=9, var_2448=11, var_245=8, var_2451=10, var_2455=13, var_2458=15, var_2461=14, var_2465=12, var_247=6, var_249=3, var_251=5, var_2651=0, var_269=4, var_271=1, var_281=7, var_299=13, var_3041=0, var_3064=0, var_307=12, var_3136=0, var_328=23, var_331=22, var_340=25, var_343=27, var_346=26, var_350=29, var_353=31, var_356=30, var_360=28, var_366=24, var_389=0, var_465=3, var_507=0, var_530=0, var_649=0, var_818=2, var_821=1] [L519] SORT_3 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L520] var_113 = var_113 & mask_SORT_3 [L521] SORT_3 var_114_arg_0 = var_110; [L522] SORT_3 var_114_arg_1 = var_113; [L523] SORT_3 var_114 = var_114_arg_0 == var_114_arg_1; [L524] SORT_3 var_115_arg_0 = var_105; [L525] SORT_3 var_115_arg_1 = var_114; [L526] SORT_3 var_115 = var_115_arg_0 | var_115_arg_1; [L527] SORT_3 var_119_arg_0 = var_115; [L528] SORT_3 var_119 = ~var_119_arg_0; [L529] SORT_3 var_120_arg_0 = var_118; [L530] SORT_3 var_120_arg_1 = var_119; [L531] SORT_3 var_120 = var_120_arg_0 & var_120_arg_1; [L532] var_120 = var_120 & mask_SORT_3 [L533] SORT_3 bad_121_arg_0 = var_120; [L534] CALL __VERIFIER_assert(!(bad_121_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1187 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7065 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7065 mSDsluCounter, 10491 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7009 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 137 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3482 mSDtfsCounter, 137 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1187occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2360 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 21:10:51,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal178.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2652e163c257232e883e98a62c3ffd1b2628780c97657df9931b4647bab84473 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:10:53,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:10:54,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:10:54,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:10:54,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:10:54,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:10:54,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:10:54,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:10:54,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:10:54,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:10:54,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:10:54,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:10:54,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:10:54,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:10:54,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:10:54,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:10:54,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:10:54,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:10:54,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:10:54,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:10:54,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:10:54,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:10:54,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:10:54,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:10:54,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:10:54,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:10:54,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:10:54,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:10:54,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:10:54,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:10:54,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:10:54,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:10:54,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:10:54,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:10:54,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:10:54,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:10:54,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:10:54,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:10:54,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:10:54,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:10:54,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:10:54,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 21:10:54,191 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:10:54,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:10:54,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:10:54,192 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:10:54,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:10:54,193 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:10:54,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:10:54,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:10:54,195 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:10:54,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:10:54,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:10:54,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:10:54,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:10:54,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:10:54,197 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 21:10:54,197 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 21:10:54,197 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 21:10:54,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:10:54,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:10:54,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:10:54,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:10:54,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:10:54,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:10:54,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:10:54,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:10:54,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:10:54,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:10:54,199 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 21:10:54,200 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 21:10:54,200 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:10:54,200 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:10:54,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:10:54,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 21:10:54,201 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2652e163c257232e883e98a62c3ffd1b2628780c97657df9931b4647bab84473 [2022-11-02 21:10:54,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:10:54,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:10:54,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:10:54,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:10:54,600 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:10:54,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal178.c [2022-11-02 21:10:54,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/data/ed2343ecf/8efa7344b41246ccb5d199692882af31/FLAG3aab7c844 [2022-11-02 21:10:55,554 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:10:55,555 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal178.c [2022-11-02 21:10:55,602 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/data/ed2343ecf/8efa7344b41246ccb5d199692882af31/FLAG3aab7c844 [2022-11-02 21:10:56,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/data/ed2343ecf/8efa7344b41246ccb5d199692882af31 [2022-11-02 21:10:56,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:10:56,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:10:56,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:10:56,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:10:56,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:10:56,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:56" (1/1) ... [2022-11-02 21:10:56,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556355a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:56, skipping insertion in model container [2022-11-02 21:10:56,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:56" (1/1) ... [2022-11-02 21:10:56,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:10:56,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:10:56,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal178.c[1107,1120] [2022-11-02 21:10:57,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:10:57,785 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:10:57,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal178.c[1107,1120] [2022-11-02 21:10:58,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:10:58,490 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:10:58,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58 WrapperNode [2022-11-02 21:10:58,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:10:58,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:10:58,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:10:58,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:10:58,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:58,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:59,259 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13337 [2022-11-02 21:10:59,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:10:59,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:10:59,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:10:59,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:10:59,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:59,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:59,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:59,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:59,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:59,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:59,784 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:59,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:59,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:10:59,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:10:59,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:10:59,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:10:59,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58" (1/1) ... [2022-11-02 21:10:59,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:10:59,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:59,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:10:59,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:10:59,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:10:59,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:11:01,571 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:11:01,573 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:11:09,839 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:11:09,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:11:09,859 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 21:11:09,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:11:09 BoogieIcfgContainer [2022-11-02 21:11:09,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:11:09,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:11:09,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:11:09,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:11:09,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:10:56" (1/3) ... [2022-11-02 21:11:09,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d2c5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:11:09, skipping insertion in model container [2022-11-02 21:11:09,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:58" (2/3) ... [2022-11-02 21:11:09,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d2c5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:11:09, skipping insertion in model container [2022-11-02 21:11:09,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:11:09" (3/3) ... [2022-11-02 21:11:09,874 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal178.c [2022-11-02 21:11:09,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:11:09,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:11:09,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:11:09,981 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@17423a91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:11:09,981 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:11:09,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 1187 states, 1185 states have (on average 1.49957805907173) internal successors, (1777), 1186 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:09,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 21:11:09,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:09,997 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:09,998 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:11:10,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:10,004 INFO L85 PathProgramCache]: Analyzing trace with hash -332259343, now seen corresponding path program 1 times [2022-11-02 21:11:10,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:11:10,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661868011] [2022-11-02 21:11:10,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:10,019 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:11:10,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:11:10,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:11:10,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 21:11:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:11,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 21:11:12,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:12,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:12,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:11:12,106 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:11:12,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661868011] [2022-11-02 21:11:12,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661868011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:12,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:12,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:11:12,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676131334] [2022-11-02 21:11:12,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:12,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:11:12,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:11:12,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:11:12,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:11:12,146 INFO L87 Difference]: Start difference. First operand has 1187 states, 1185 states have (on average 1.49957805907173) internal successors, (1777), 1186 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:12,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:12,683 INFO L93 Difference]: Finished difference Result 4729 states and 7091 transitions. [2022-11-02 21:11:12,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:11:12,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-02 21:11:12,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:12,719 INFO L225 Difference]: With dead ends: 4729 [2022-11-02 21:11:12,719 INFO L226 Difference]: Without dead ends: 3544 [2022-11-02 21:11:12,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:11:12,733 INFO L413 NwaCegarLoop]: 1740 mSDtfsCounter, 5300 mSDsluCounter, 5240 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5300 SdHoareTripleChecker+Valid, 6980 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:12,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5300 Valid, 6980 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:11:12,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3544 states. [2022-11-02 21:11:12,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3544 to 1185. [2022-11-02 21:11:12,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1184 states have (on average 1.4974662162162162) internal successors, (1773), 1184 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1773 transitions. [2022-11-02 21:11:12,830 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1773 transitions. Word has length 9 [2022-11-02 21:11:12,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:12,830 INFO L495 AbstractCegarLoop]: Abstraction has 1185 states and 1773 transitions. [2022-11-02 21:11:12,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:12,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1773 transitions. [2022-11-02 21:11:12,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 21:11:12,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:12,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:12,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:13,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:11:13,037 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:11:13,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:13,038 INFO L85 PathProgramCache]: Analyzing trace with hash -275001041, now seen corresponding path program 1 times [2022-11-02 21:11:13,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:11:13,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951225588] [2022-11-02 21:11:13,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:13,039 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:11:13,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:11:13,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:11:13,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 21:11:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 21:11:15,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:15,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:11:15,093 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:11:15,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1951225588] [2022-11-02 21:11:15,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1951225588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:15,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:15,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:11:15,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305224736] [2022-11-02 21:11:15,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:15,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:11:15,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:11:15,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:11:15,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:11:15,098 INFO L87 Difference]: Start difference. First operand 1185 states and 1773 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:15,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:15,509 INFO L93 Difference]: Finished difference Result 4725 states and 7075 transitions. [2022-11-02 21:11:15,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:11:15,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-02 21:11:15,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:15,527 INFO L225 Difference]: With dead ends: 4725 [2022-11-02 21:11:15,527 INFO L226 Difference]: Without dead ends: 3544 [2022-11-02 21:11:15,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:11:15,532 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 5294 mSDsluCounter, 5237 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5294 SdHoareTripleChecker+Valid, 6979 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:15,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5294 Valid, 6979 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:11:15,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3544 states. [2022-11-02 21:11:15,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3544 to 1187. [2022-11-02 21:11:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1186 states have (on average 1.4966273187183812) internal successors, (1775), 1186 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1775 transitions. [2022-11-02 21:11:15,601 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1775 transitions. Word has length 9 [2022-11-02 21:11:15,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:15,602 INFO L495 AbstractCegarLoop]: Abstraction has 1187 states and 1775 transitions. [2022-11-02 21:11:15,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:15,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1775 transitions. [2022-11-02 21:11:15,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 21:11:15,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:15,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:15,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:15,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:11:15,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:11:15,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:15,821 INFO L85 PathProgramCache]: Analyzing trace with hash -274941459, now seen corresponding path program 1 times [2022-11-02 21:11:15,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:11:15,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309223851] [2022-11-02 21:11:15,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:15,822 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:11:15,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:11:15,823 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:11:15,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 21:11:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-02 21:11:17,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:17,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:11:17,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:11:17,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309223851] [2022-11-02 21:11:17,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309223851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:17,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:17,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:11:17,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916001291] [2022-11-02 21:11:17,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:17,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:11:17,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:11:17,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:11:17,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:11:17,695 INFO L87 Difference]: Start difference. First operand 1187 states and 1775 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:19,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:19,739 INFO L93 Difference]: Finished difference Result 2369 states and 3545 transitions. [2022-11-02 21:11:19,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:11:19,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-02 21:11:19,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:19,747 INFO L225 Difference]: With dead ends: 2369 [2022-11-02 21:11:19,747 INFO L226 Difference]: Without dead ends: 2367 [2022-11-02 21:11:19,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:11:19,753 INFO L413 NwaCegarLoop]: 1713 mSDtfsCounter, 5290 mSDsluCounter, 5183 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5290 SdHoareTripleChecker+Valid, 6896 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:19,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5290 Valid, 6896 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-02 21:11:19,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2022-11-02 21:11:19,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 1189. [2022-11-02 21:11:19,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1188 states have (on average 1.495791245791246) internal successors, (1777), 1188 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:19,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1777 transitions. [2022-11-02 21:11:19,796 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1777 transitions. Word has length 9 [2022-11-02 21:11:19,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:19,797 INFO L495 AbstractCegarLoop]: Abstraction has 1189 states and 1777 transitions. [2022-11-02 21:11:19,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:19,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1777 transitions. [2022-11-02 21:11:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1189 [2022-11-02 21:11:19,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:19,880 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:19,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:20,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:11:20,097 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:11:20,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:20,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1406947663, now seen corresponding path program 1 times [2022-11-02 21:11:20,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:11:20,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287633217] [2022-11-02 21:11:20,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:20,120 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:11:20,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:11:20,121 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:11:20,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 21:11:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:25,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 10470 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 21:11:25,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:25,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:11:25,257 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:11:25,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1287633217] [2022-11-02 21:11:25,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1287633217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:25,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:25,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:11:25,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985048690] [2022-11-02 21:11:25,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:25,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:11:25,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:11:25,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:11:25,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:11:25,262 INFO L87 Difference]: Start difference. First operand 1189 states and 1777 transitions. Second operand has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:25,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:25,597 INFO L93 Difference]: Finished difference Result 4723 states and 7072 transitions. [2022-11-02 21:11:25,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:11:25,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1188 [2022-11-02 21:11:25,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:25,609 INFO L225 Difference]: With dead ends: 4723 [2022-11-02 21:11:25,609 INFO L226 Difference]: Without dead ends: 3542 [2022-11-02 21:11:25,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1188 GetRequests, 1185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:11:25,613 INFO L413 NwaCegarLoop]: 1746 mSDtfsCounter, 5280 mSDsluCounter, 5230 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5280 SdHoareTripleChecker+Valid, 6976 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:25,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5280 Valid, 6976 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:11:25,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2022-11-02 21:11:25,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 1191. [2022-11-02 21:11:25,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 1190 states have (on average 1.4949579831932773) internal successors, (1779), 1190 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:25,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1779 transitions. [2022-11-02 21:11:25,652 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1779 transitions. Word has length 1188 [2022-11-02 21:11:25,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:25,653 INFO L495 AbstractCegarLoop]: Abstraction has 1191 states and 1779 transitions. [2022-11-02 21:11:25,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1779 transitions. [2022-11-02 21:11:25,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1189 [2022-11-02 21:11:25,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:25,710 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:25,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:25,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:11:25,925 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:11:25,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:25,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1445285837, now seen corresponding path program 1 times [2022-11-02 21:11:25,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:11:25,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33736948] [2022-11-02 21:11:25,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:25,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:11:25,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:11:25,940 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:11:25,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 21:11:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:30,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 10470 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 21:11:30,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:30,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:11:30,734 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:11:30,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33736948] [2022-11-02 21:11:30,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33736948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:30,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:30,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:11:30,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718806066] [2022-11-02 21:11:30,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:30,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:11:30,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:11:30,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:11:30,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:11:30,746 INFO L87 Difference]: Start difference. First operand 1191 states and 1779 transitions. Second operand has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:31,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:31,115 INFO L93 Difference]: Finished difference Result 4723 states and 7071 transitions. [2022-11-02 21:11:31,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:11:31,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1188 [2022-11-02 21:11:31,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:31,131 INFO L225 Difference]: With dead ends: 4723 [2022-11-02 21:11:31,131 INFO L226 Difference]: Without dead ends: 3542 [2022-11-02 21:11:31,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1188 GetRequests, 1185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:11:31,136 INFO L413 NwaCegarLoop]: 1748 mSDtfsCounter, 5274 mSDsluCounter, 5227 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5274 SdHoareTripleChecker+Valid, 6975 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:31,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5274 Valid, 6975 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:11:31,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2022-11-02 21:11:31,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 1193. [2022-11-02 21:11:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 1192 states have (on average 1.4941275167785235) internal successors, (1781), 1192 states have internal predecessors, (1781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:31,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1781 transitions. [2022-11-02 21:11:31,189 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1781 transitions. Word has length 1188 [2022-11-02 21:11:31,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:31,190 INFO L495 AbstractCegarLoop]: Abstraction has 1193 states and 1781 transitions. [2022-11-02 21:11:31,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:31,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1781 transitions. [2022-11-02 21:11:31,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1189 [2022-11-02 21:11:31,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:31,207 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:31,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:31,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:11:31,433 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:11:31,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:31,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1123538379, now seen corresponding path program 1 times [2022-11-02 21:11:31,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:11:31,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477689294] [2022-11-02 21:11:31,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:31,447 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:11:31,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:11:31,449 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:11:31,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 21:11:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:36,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 10470 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 21:11:36,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:36,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:36,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:11:36,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:11:36,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477689294] [2022-11-02 21:11:36,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1477689294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:36,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:36,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:11:36,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590717920] [2022-11-02 21:11:36,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:36,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:11:36,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:11:36,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:11:36,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:11:36,332 INFO L87 Difference]: Start difference. First operand 1193 states and 1781 transitions. Second operand has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:36,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:36,692 INFO L93 Difference]: Finished difference Result 4723 states and 7070 transitions. [2022-11-02 21:11:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:11:36,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1188 [2022-11-02 21:11:36,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:36,705 INFO L225 Difference]: With dead ends: 4723 [2022-11-02 21:11:36,706 INFO L226 Difference]: Without dead ends: 3542 [2022-11-02 21:11:36,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1188 GetRequests, 1185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:11:36,714 INFO L413 NwaCegarLoop]: 1750 mSDtfsCounter, 5268 mSDsluCounter, 5224 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5268 SdHoareTripleChecker+Valid, 6974 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:36,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5268 Valid, 6974 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:11:36,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2022-11-02 21:11:36,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 1195. [2022-11-02 21:11:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 1194 states have (on average 1.4932998324958124) internal successors, (1783), 1194 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:36,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1783 transitions. [2022-11-02 21:11:36,758 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1783 transitions. Word has length 1188 [2022-11-02 21:11:36,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:36,759 INFO L495 AbstractCegarLoop]: Abstraction has 1195 states and 1783 transitions. [2022-11-02 21:11:36,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1783 transitions. [2022-11-02 21:11:36,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1189 [2022-11-02 21:11:36,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:36,775 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:36,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:36,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:11:36,994 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:11:36,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:36,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1777351863, now seen corresponding path program 1 times [2022-11-02 21:11:37,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:11:37,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446972961] [2022-11-02 21:11:37,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:37,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:11:37,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:11:37,015 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:11:37,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-02 21:11:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:41,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 10470 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 21:11:41,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:41,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:11:41,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:11:41,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1446972961] [2022-11-02 21:11:41,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1446972961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:41,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:41,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:11:41,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591371548] [2022-11-02 21:11:41,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:41,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:11:41,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:11:41,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:11:41,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:11:41,828 INFO L87 Difference]: Start difference. First operand 1195 states and 1783 transitions. Second operand has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:42,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:42,204 INFO L93 Difference]: Finished difference Result 4723 states and 7069 transitions. [2022-11-02 21:11:42,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:11:42,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1188 [2022-11-02 21:11:42,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:42,216 INFO L225 Difference]: With dead ends: 4723 [2022-11-02 21:11:42,217 INFO L226 Difference]: Without dead ends: 3542 [2022-11-02 21:11:42,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1188 GetRequests, 1185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:11:42,220 INFO L413 NwaCegarLoop]: 1758 mSDtfsCounter, 5252 mSDsluCounter, 5215 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5252 SdHoareTripleChecker+Valid, 6973 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:42,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5252 Valid, 6973 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:11:42,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2022-11-02 21:11:42,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 1201. [2022-11-02 21:11:42,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 1200 states have (on average 1.4925) internal successors, (1791), 1200 states have internal predecessors, (1791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1791 transitions. [2022-11-02 21:11:42,261 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1791 transitions. Word has length 1188 [2022-11-02 21:11:42,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:42,261 INFO L495 AbstractCegarLoop]: Abstraction has 1201 states and 1791 transitions. [2022-11-02 21:11:42,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:42,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1791 transitions. [2022-11-02 21:11:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1189 [2022-11-02 21:11:42,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:42,278 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:42,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:42,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:11:42,493 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:11:42,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:42,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1594828615, now seen corresponding path program 1 times [2022-11-02 21:11:42,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:11:42,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1250727885] [2022-11-02 21:11:42,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:42,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:11:42,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:11:42,506 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:11:42,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-02 21:11:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:46,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 10470 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-02 21:11:46,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:47,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:11:47,500 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:11:47,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1250727885] [2022-11-02 21:11:47,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1250727885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:47,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:47,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 21:11:47,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192768360] [2022-11-02 21:11:47,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:47,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-02 21:11:47,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:11:47,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 21:11:47,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:11:47,504 INFO L87 Difference]: Start difference. First operand 1201 states and 1791 transitions. Second operand has 10 states, 10 states have (on average 118.8) internal successors, (1188), 10 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:51,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:51,416 INFO L93 Difference]: Finished difference Result 4756 states and 7112 transitions. [2022-11-02 21:11:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-02 21:11:51,417 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 118.8) internal successors, (1188), 10 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1188 [2022-11-02 21:11:51,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:51,434 INFO L225 Difference]: With dead ends: 4756 [2022-11-02 21:11:51,441 INFO L226 Difference]: Without dead ends: 3575 [2022-11-02 21:11:51,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1199 GetRequests, 1179 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2022-11-02 21:11:51,444 INFO L413 NwaCegarLoop]: 1598 mSDtfsCounter, 21148 mSDsluCounter, 7998 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21148 SdHoareTripleChecker+Valid, 9596 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:51,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21148 Valid, 9596 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-02 21:11:51,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3575 states. [2022-11-02 21:11:51,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3575 to 1211. [2022-11-02 21:11:51,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1210 states have (on average 1.490909090909091) internal successors, (1804), 1210 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:51,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1804 transitions. [2022-11-02 21:11:51,494 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1804 transitions. Word has length 1188 [2022-11-02 21:11:51,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:51,494 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1804 transitions. [2022-11-02 21:11:51,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 118.8) internal successors, (1188), 10 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:11:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1804 transitions. [2022-11-02 21:11:51,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1189 [2022-11-02 21:11:51,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:51,518 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:51,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:51,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:11:51,733 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:11:51,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:51,734 INFO L85 PathProgramCache]: Analyzing trace with hash 299181111, now seen corresponding path program 1 times [2022-11-02 21:11:51,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:11:51,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889160662] [2022-11-02 21:11:51,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:51,742 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:11:51,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:11:51,743 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:11:51,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-02 21:11:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 10470 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-02 21:11:56,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:11:56,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:11:56,837 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:11:56,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889160662] [2022-11-02 21:11:56,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889160662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:56,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:56,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 21:11:56,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174832057] [2022-11-02 21:11:56,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:56,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-02 21:11:56,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:11:56,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 21:11:56,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:11:56,842 INFO L87 Difference]: Start difference. First operand 1211 states and 1804 transitions. Second operand has 10 states, 10 states have (on average 118.8) internal successors, (1188), 10 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:00,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:12:00,683 INFO L93 Difference]: Finished difference Result 7116 states and 10642 transitions. [2022-11-02 21:12:00,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-02 21:12:00,684 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 118.8) internal successors, (1188), 10 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1188 [2022-11-02 21:12:00,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:12:00,700 INFO L225 Difference]: With dead ends: 7116 [2022-11-02 21:12:00,701 INFO L226 Difference]: Without dead ends: 5929 [2022-11-02 21:12:00,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1203 GetRequests, 1179 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2022-11-02 21:12:00,707 INFO L413 NwaCegarLoop]: 1678 mSDtfsCounter, 29913 mSDsluCounter, 13367 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29913 SdHoareTripleChecker+Valid, 15045 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:12:00,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29913 Valid, 15045 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-02 21:12:00,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5929 states. [2022-11-02 21:12:00,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5929 to 1213. [2022-11-02 21:12:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 1212 states have (on average 1.49009900990099) internal successors, (1806), 1212 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:00,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1806 transitions. [2022-11-02 21:12:00,764 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1806 transitions. Word has length 1188 [2022-11-02 21:12:00,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:12:00,764 INFO L495 AbstractCegarLoop]: Abstraction has 1213 states and 1806 transitions. [2022-11-02 21:12:00,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 118.8) internal successors, (1188), 10 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:00,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1806 transitions. [2022-11-02 21:12:00,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1189 [2022-11-02 21:12:00,778 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:12:00,779 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:12:00,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-02 21:12:00,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:12:00,993 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:12:00,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:00,994 INFO L85 PathProgramCache]: Analyzing trace with hash 502796601, now seen corresponding path program 1 times [2022-11-02 21:12:01,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:12:01,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127205485] [2022-11-02 21:12:01,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:01,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:12:01,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:12:01,002 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:12:01,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-02 21:12:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:05,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 10470 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 21:12:05,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:12:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:12:05,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:12:05,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:12:05,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127205485] [2022-11-02 21:12:05,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2127205485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:12:05,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:12:05,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:12:05,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641853145] [2022-11-02 21:12:05,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:12:05,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:12:05,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:12:05,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:12:05,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:12:05,600 INFO L87 Difference]: Start difference. First operand 1213 states and 1806 transitions. Second operand has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:06,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:12:06,125 INFO L93 Difference]: Finished difference Result 2417 states and 3605 transitions. [2022-11-02 21:12:06,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:12:06,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1188 [2022-11-02 21:12:06,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:12:06,129 INFO L225 Difference]: With dead ends: 2417 [2022-11-02 21:12:06,129 INFO L226 Difference]: Without dead ends: 1228 [2022-11-02 21:12:06,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1188 GetRequests, 1185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:12:06,131 INFO L413 NwaCegarLoop]: 1687 mSDtfsCounter, 3507 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3507 SdHoareTripleChecker+Valid, 1722 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 21:12:06,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3507 Valid, 1722 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 21:12:06,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2022-11-02 21:12:06,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1213. [2022-11-02 21:12:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 1212 states have (on average 1.4892739273927393) internal successors, (1805), 1212 states have internal predecessors, (1805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:06,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1805 transitions. [2022-11-02 21:12:06,156 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1805 transitions. Word has length 1188 [2022-11-02 21:12:06,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:12:06,156 INFO L495 AbstractCegarLoop]: Abstraction has 1213 states and 1805 transitions. [2022-11-02 21:12:06,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 297.0) internal successors, (1188), 4 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:12:06,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1805 transitions. [2022-11-02 21:12:06,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1189 [2022-11-02 21:12:06,169 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:12:06,170 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:12:06,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-02 21:12:06,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:12:06,397 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:12:06,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:06,398 INFO L85 PathProgramCache]: Analyzing trace with hash 672211003, now seen corresponding path program 1 times [2022-11-02 21:12:06,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:12:06,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147204539] [2022-11-02 21:12:06,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:06,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:12:06,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:12:06,407 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:12:06,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ef0973-192e-47b8-812f-81027d9c4b65/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process